Formula Sound FF2.2 User Manual Download Page 12

INSTALLATION, CONNECTIONS AND GOOD WIRING PRACTICE   

 
The installation of professional audio systems should be left to experienced engineers 
wherever possible. The interconnection of audio systems can be fairly complex depending on 
the type and size of system and obviously well outside the scope of this handbook. We have 
included a few basic points for information for anyone who is new to audio systems.   
 
Good wiring practice should be observed when connecting any audio equipment. Good 
quality   
connectors and screened cable should be used for all audio connections . 
 
Twin screened cable should be used for all balanced lines particularly microphone 
connections.   
Always ensure cable clamps in connectors are fully tightened and gripping the outer sheath. 
 
Good strain relief and mechanically sound connections will increase reliability at virtually no 
extra cost.   
 
You must not disconnect the mains earth wire from the mains plug of any equipment. This is 
fitted for safety reasons and must be connected to ensure that the case is earthed.   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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Summary of Contents for FF2.2

Page 1: ......

Page 2: ...Limited will investigate why the defect occurred and providing it is covered by the warranty fix that defect The warranty is in addition to any consumer rights you are entitled to under English law t...

Page 3: ...el on the outside will indicate which mains supply your remote power supply requires DAMAGE MAY RESULT IF THE UNIT IS CONNECTED TO THE WRONG SUPPLY VOLTAGE Mains fuse sizes are 800mA anti surge for 22...

Page 4: ...accessible through the base of the unit The MIC also has a 2 band EQ accessible through the base of the unit allowing MIC EQ to be set prior to use The MIC can be set to be in or out of the booth by...

Page 5: ...ader is moved to the right the level of channel 1 will reduce Similarly with channel 2 selected cross fader in the right position will send the channel 2 signal at full level to the master as the fade...

Page 6: ...The FF2 2 has a phono noise cancelling feature that utilises the 120Hz bass EQ band of the mixer just above the FF2 2 bass control is a hidden switch accessible through the front panel that allows the...

Page 7: ...vel as left and right output meter indication if left and right are equal Each channel also has a clip LED to indicate when the input is excessive or clipping FX Each channel has an FX switch that whe...

Page 8: ...CTED TO THE WRONG SUPPLY VOLTAGE Fuses Mains fuse sizes are 800mA anti surge for 220 240Vac and 1 5A anti surge for 110 120Vac Operation these are located in the IEC switch connector assembly in the r...

Page 9: ...earer the case higher and on the switch cap is lower If you require your mic in the booth signal the mic in out of booth switch is by the legend mic in out of booth push the blade of the small flat bl...

Page 10: ...0dB Deactivate phono input and switch back to line reactivate the line input and if you have adjusted the gain on phono the level will now be above 0dB there is a gain trim accessible through the back...

Page 11: ...l with the cue switch enabled On the channel with the CUE switch selected select the channel filter now operate the low and high pass filters by adjusting the LPF and HPF controls become familiar with...

Page 12: ...actice should be observed when connecting any audio equipment Good quality connectors and screened cable should be used for all audio connections Twin screened cable should be used for all balanced li...

Page 13: ...every stage of manufacture This attention to detail has helped to win us 14 industry awards to date and has earned us a world wide reputation for the high quality and reliability of our products Formu...

Page 14: ...Stereo input B Microphone Input Impedances Stereo input A Stereo input B Microphone input Equalisation 4 band EQ per channel 9dB 26 dB 20Hz 20Khz 0 5dB 22dBu 0 01 typically 0 005 EIN 98dB 80dBV A wei...

Page 15: ...92 31 EEC and 93 68 EEC BS EN 50082 1 BS EN 50081 1 PRODUCT TYPE FF 2 2 The CE mark was first applied in 1995 Signed B J Penaligon General Manager Attention The attention of the specifier purchaser i...

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